../ dmsp_15_ephemeris_20110206.txt 22-Jun-2023 00:17 107977 dmsp_16_ephemeris_20110206.txt 22-Jun-2023 00:17 107928 dmsp_17_ephemeris_20110206.txt 22-Jun-2023 00:17 108008 dmsp_18_ephemeris_20110206.txt 22-Jun-2023 00:17 108077